Both the diodes used in the circuit shown are assumed to be ideal and have negligible resistance, when these are forward biased. Built-in potential in each diode is
0.7 V. For the input voltages shown in the figure, the voltage (in Volts) at point
A is
.
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1515104/original_26.png)